Support subtitles for native fullscreen video

Source/core/page/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 3342 matching lines @@
     return renderView->style()->isFlippedBlocksWritingMode();
 }
 
 AXObjectCache* FrameView::axObjectCache() const
 {
     if (frame() && frame()->document())
         return frame()->document()->existingAXObjectCache();
     return 0;
 }
 
+void FrameView::setCurrentFullscreenRenderer(RenderObject* renderer)
+{
+    ASSERT(m_frame == m_frame->page()->mainFrame());
+    if (RenderView* renderView = this->renderView())
+        renderView->compositor()->setCurrentFullscreenRenderer(renderer);
+}
+
 } // namespace WebCore